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This work evaluates carbon deposition in an atmospheric pressure plasma jet system, suggesting magnetic field effects on outcomes.
This work involves fabrication and characterization of an atmospheric pressure plasma jet system to evaluate its carbon-based material deposition capabilities under two conditions, with and without an external magnetic field. Using optical diagnostic tools, a one order increase in the value of electron density from ∼1014 to ∼1015 cm−3 was observed. Using ethanol as a precursor and O2 as a carrier, deposition of micrometer-sized spherical carbon structures on silicon wafers was conducted for both cases. A decrease in the size of the particles and an overall increase in the carbon concentration on the substrate were confirmed through scanning electron microscopy and energy dispersive x-ray analysis. This study aims to understand the effect of an external magnetic field on plasma formation and deposition mechanisms.
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Kalita et al. (2026) studied this question.
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